APJ Abdul Kalam SLV

  • IASbaba
  • February 24, 2023
  • 0
Science and Technology
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Context: India’s first hybrid rocket launched from Tamil Nadu’s Pattipulam.

About APJ Abdul Kalam SLV:

  • Martin Foundation in association with Dr APJ Abdul Kalam International Foundation and Space Zone India completed the project known as Dr APJ Abdul Kalam Satellite Launch Vehicle Mission 2023.
  • It is India’s first hybrid sounding rocket by private players .
  • The reusable rocket was made by the selected top 100 students, while the rest made the satellite.

About Hybrid Rocket:

  • is a type of rocket engine that combines features of both liquid-fueled and solid-fueled rockets. In a hybrid rocket, a solid fuel is burned in combination with a liquid or gaseous oxidizer to produce thrust.
  • The solid fuel in a hybrid rocket is typically made of a polymer, such as hydroxyl-terminated polybutadiene (HTPB), which is cast into a cylindrical shape and placed inside the rocket motor.
  • They are generally simpler and less expensive to manufacture than liquid rockets.
  • They are also safer than both liquid and solid rockets


Previous Year Questions

Q.1) The experiment will employ a trio of spacecraft flying in formation in the shape of an equilateral triangle that has sides one million kilometers long, with lasers shining between the craft.” The experiment in question refers to (2020)

  1. Voyager-2
  2. New Horizons
  3. LISA Pathfinder
  4. Evolved LISA

Q.2) With reference to the Indian Regional Navigation Satellite System (IRNSS), consider the following statements : (2018)

  1. IRNSS has three satellites in geostationary and four satellites in geosynchronous orbits.
  2. IRNSS covers entire India and about 5500 sq. km beyond its borders.
  3. India will have its own satellite navigation system with full global coverage by the middle of 2019.

Which of the statements given above is/are correct?

  1. 1 only
  2. 1 and 2 only
  3. 2 and 3 only
  4. None

Q.3) With reference to India’s satellite launch  vehicles, consider the following statements: (2018)

  1. PSLVs launch satellites useful for Earth resources monitoring whereas GSLVs are designed mainly to launch communication satellites.
  2. Satellites launched by PSLV appear to remain permanently fixed in the same position in the sky, as viewed from a particular location on Earth.
  3. GSLV Mk III is a four-staged launch vehicle with the first and third stages using solid rocket motors; and the second and fourth stages using liquid rocket engines.

Which of the statements given above is/are correct.?

  1. 1 only
  2. 2 and 3
  3. 1 and 2
  4. 3 only


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